Trawoeer Power Pyramid Version 12 - Electrical output from a homemade pyramid

[neptune]

When you drill the hole in the inner copper tube for the wire to go through , do the following . After the drill goes through , just lean your drill 45 degees towards the end of the tube . That will de-burr it where it matters .

[k4zep]

When you drill the hole in the inner copper tube for the wire to go through , do the following . After the drill goes through , just lean your drill 45 degees towards the end of the tube . That will de-burr it where it matters .

Hi Neptune,

Thanks, good idea!!!!!

Ben K4ZEP

[duff]

All,

I have found that by using a floor flang on a 3/4" plywood construction base really makes fiting the apex diagonals a lot easier. I cut strips of plexiglass and used my hand grinder to make thin wedges and used them to adust the tilt of the center pipe assembly so it was perfectly centered and straight at the top where the apex comes together.

What I've done with the center pipe is used 1/2" pipe for support and placed a short piece of 3/8" pipe on top of it. That way I'll weld the diagonal members to the 3/8" pipe and simply detach the supporting pipe below it when I'm finished. The 3/8" pipe is a little longer on the top side than I need but I'll trim that after the welding is complete.

I've shown the diagonals taped against the center pole but they are not cut yet. Here's were I'm stuck at the moment.

I've layed everything out in Google SketchUp and installed plugins to unfold the 3D images but am unable to print them because I'm running SketchUp under Wine (been running linux since '96). Wine has problems and preventing me from printing or exprorting to an image....

So I'm trying to get this worked out --  really want to make templates to use for cutting the diagonals ends.

[AbbaRue]

Since we don't know for sure were the energy in the pyramid is coming from,
I thouught the following website might give us more insight. 
The following website contains detailed info on different types of waves:

http://www.ndt-ed.org/EducationResources/CommunityCollege/Ultrasonics/Physics/wavepropagation.htm

Since quartz is piezoelectric, ultrasonics might explain were the energy is coming from. 

[k4zep]

All,

I have found that by using a floor flang on a 3/4" plywood construction base really makes fiting the apex diagonals a lot easier. I cut strips of plexiglass and used my hand grinder to make thin wedges and used them to adust the tilt of the center pipe assembly so it was perfectly centered and straight at the top where the apex comes together.

What I've done with the center pipe is used 1/2" pipe for support and placed a short piece of 3/8" pipe on top of it. That way I'll weld the diagonal members to the 3/8" pipe and simply detach the supporting pipe below it when I'm finished. The 3/8" pipe is a little longer on the top side than I need but I'll trim that after the welding is complete.

I've shown the diagonals taped against the center pole but they are not cut yet. Here's were I'm stuck at the moment.

I've layed everything out in Google SketchUp and installed plugins to unfold the 3D images but am unable to print them because I'm running SketchUp under Wine (been running linux since '96). Wine has problems and preventing me from printing or exprorting to an image....

So I'm trying to get this worked out --  really want to make templates to use for cutting the diagonals ends.

Hi Duff,

Darn good work!  Lots of thought!  Oh if I had that much room to work in!!!! 

Respectfully
Ben K4ZEP